script to update ChangeLog with Git messages.

diff --git a/ChangeLog b/ChangeLog
index 107e7fcd9ac3172e42528bfe871ac8512608690c..b9760144050d390581e7c7b81cbfba64b1525cee 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,41 @@
-2006-10-28  Han-Wen Nienhuys  <hanwen@lilypond.org>
+2006-10-28  Han-Wen Nienhuys   <hanwen@lilypond.org>
+
+       git commit 122da86232bb745d50cddbd893e3cc48c3af6216
+       
+       * .gitignore: 
+       new file.
+
+       git commit 914e47b38f98b87c2622a5bbd8237ca97f97da34
+       
+       * stepmake/stepmake/generic-targets.make: 
+       create .gitignore in outdir.
+
+       git commit 6dcaa230251aa4f95e4153bd4de021c65207b798
+       
+       * lily/bar-number-engraver.cc: 
+       * lily/beam.cc: 
+       * lily/fingering-engraver.cc: 
+       * lily/grob-property.cc: 
+       * lily/grob.cc: 
+       * lily/include/grob.hh: 
+       * lily/include/lily-guile-macros.hh: 
+       * lily/mark-engraver.cc: 
+       * lily/melody-engraver.cc: 
+       * lily/script-column.cc: 
+       * lily/tie-formatting-problem.cc: 
+       * lily/tie.cc: 
+       internal_get_property_data() using ly_symbol2scm()
+
+       git commit ef70710d3cf52502900408aa1f55a2354ed4e8ab
+       
+       * lily/beam-engraver.cc: 
+       * input/regression/rest-pitched-beam.ly: 
+       don't set callback if staff-position set. Fixes #126.
+
+       git commit fb790ec731ff4c252248457dd5b438412f735577
+       
+       * ChangeLog: 
+       nitpick.
 
        * stepmake/bin/add-html-footer.py (compose): remove setgcos
 

diff --git a/buildscripts/git-update-changelog.py b/buildscripts/git-update-changelog.py
new file mode 100644 (file)
index 0000000..e45cec3
--- /dev/null
+++ b/buildscripts/git-update-changelog.py
@@ -0,0 +1,152 @@
+import time
+import os
+import re
+import optparse
+
+class Commit:
+    def __init__ (self, dict):
+        for v in ('message',
+                  'date',
+                  'author',
+                  'committish'):
+            self.__dict__[v] = dict[v]
+
+        # Sat Oct 28 18:52:30 2006 +0200
+        
+        self.date = ' '.join  (self.date.split (' ')[:-1])
+        self.date = time.strptime (self.date, '%a %b %d %H:%M:%S %Y')
+
+        m = re.search ('(.*)<(.*)>', self.author)
+        self.email = m.group (2)
+        self.name = m.group (1)
+
+    def touched_files (self):
+
+        files = []
+        def note_file (x):
+            files.append (x.group (1))
+            return ''
+            
+        diff = os.popen ('git show %s' % self.committish).read ()
+        re.sub ('\n--- a/([^\n]+)\n',
+                note_file, diff)
+        re.sub('\n--- /dev/null\n\\+\\+\\+ b/([^\n]+)',
+               note_file, diff)
+
+        return files
+
+def parse_commit_log (log):
+    committish = re.search ('^([^\n]+)', log).group (1)
+    author = re.search ('\nAuthor:\s+([^\n]+)', log).group (1)
+    date_match = re.search ('\nDate:\s+([^\n]+)', log)
+    date = date_match.group (1)
+    log = log[date_match.end (1):]
+
+    message = re.sub ("\n *", '', log)
+    message = message.strip ()
+
+    c = Commit (locals ())
+    return c
+
+def parse_add_changes (from_commit):
+    log = os.popen ('git log %(from_commit)s..' % locals ()).read ()
+
+    log = log[len ('commit '):]
+    commits = map (parse_commit_log, re.split ('\ncommit ', log))
+    commits.reverse ()
+
+    return commits
+
+
+def header (commit):
+    return '%d-%02d-%02d  %s  <%s>\n' % (commit.date[:3] + (commit.name, commit.email))
+
+def changelog_body (commit):
+
+    s = ''
+    s += "\ngit commit %s\n" % commit.committish    
+    s += ''.join ('\n* %s: ' % f for f in commit.touched_files())
+    s += '\n' + commit.message
+    
+    s = s.replace ('\n', '\n\t')
+    s += '\n'
+    return s
+    
+def to_change_log (commit, last_commit):
+
+    s = ''
+    
+    date = commit.date[:3]
+    if (last_commit == None
+        or commit.author != last_commit.author
+        or commit.date[:3] != last_commit.date[:3]):
+
+        s += header (last_commit)
+
+    s += changelog_body (commit)  
+
+    return s
+        
+def find_last_checked_in_commit (log):
+    m = re.search (r'^(\d+-\d+\d+)[^\n]+\n*\t\*git commit ([a-f0-9]+):', log)
+
+    if m:
+        return (m.group (0), m.group (1))
+
+    return None
+
+
+
+
+def main ():
+    p = optparse.OptionParser ("usage git-update-changelog.py --options")
+    p.add_option ("--start",
+                  action='store',
+                  default='',
+                  dest="start",
+                  help="start of log messages to merge.")
+
+    (options, args) = p.parse_args ()
+    
+    log = open ('ChangeLog').read ()
+
+    if not options.start:
+        options.start = find_last_checked_in_commit (log)
+
+    commits = parse_add_changes (options.start)
+    if not commits:
+        return
+    
+
+    new_log = ''
+    last_commit = None
+
+    first = header (commits[0])
+    if first == log[:len (first)]:
+        log = log[len (first):]
+    
+    for c in commits:
+        if (last_commit
+            and c.author != last_commit.author
+            and c.date[:3] != last_commit.date[:3]):
+
+            new_log += header (last_commit)
+
+        new_log += changelog_body (c)  
+        last_commit = c
+        
+    new_log = header (last_commit) + new_log + '\n'
+
+    log = new_log + log
+    try:
+        os.unlink ('ChangeLog~')
+    except IOError:
+        passa
+    
+    os.rename ('ChangeLog', 'ChangeLog~')
+    open ('ChangeLog', 'w').write (log)
+    
+main ()
+    
+    
+